boston acoustics sa1 schematic • To have the board working prepare the tools and equipment.
and schematic is only a guide to help you identify burnt or missing
components.
• Identify which part of the circuit drives the speaker
• Search on line for datasheets for possible main components
( on most are free )
• These board can be triggered by a 12V supply or by a source.
• Here is a guide , how to trace ......
Computer Speakers
• these guide may not be the same as yours , but the principle
in tracing is the same.
Level of difficulty:
• Hard, for a begineer
• Easy for those who have started already troubleshooted similar
circuits.
Estimated Time of Servicing:
Skilled Tech: about 3 hours or less
Newbie : Could be from 3 days to a week
A signal tracer is needed, together with the signal source.
Sodering Iron or similar
and a lot of patience.
• A good amp never produce an output of over 0.7V, with no
signal on its input.
Hope these helps,
thanks for choosing Fixya for assistance.
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